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Morphophysiology and Yield Variability of Fieldpea Genotypes in Rainfed Rice Fallows

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Abstract

The sustainable intensification of rice fallows starts with identification suitable crop/genotype and resource conservation technologies. Therefore, we evaluated nine fieldpea genotypes under zero-tilled (ZT) rainfed condition after harvesting rice. Tall genotypes (‘IPF 12-7’ and ‘IPF 12-20’) matured within 102–107 days, while dwarf genotypes (‘IPFD 10-13’, ‘IPFD 14-2’) matured within 95–99 days. ‘IPFD 10-13’ and ‘IPFD 14-2’ had the higher normalized difference vegetation index (NDVI) values (0.69 to 0.72) (p < 0.05). Also, these genotypes had significantly higher relative water content (8.5–13.4%), chlorophyll content (27.4–33.8%), and nitrogen balance index (8.4–14.9%) over the ‘IPF 12-7’ (national check). ‘IPFD 10-13’ and ‘IPFD 14-2’ had higher grain yield (mean of 2 years: 1.12–1.15 t/ha) than other genotypes (p < 0.05). Distinctiveness versus representativeness and mean versus stability analysis revealed consistency of ‘IPFD 10-13’, ‘IPFD 14-2’, and ‘IPF 10-13’ over years. Therefore, ‘IPFD 10-13’, ‘IPFD 14-2’, and ‘IPF 10-13’ could be successfully grown in the rainfed rice fallows for intensification.

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Acknowledgements

The authors gratefully acknowledge the financial support received from the Indian Institute of Pulses Research for successful conduct of this research work.

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Authors and Affiliations

  1. ICAR- Indian Institute of Pulses Research, Kanpur, 208 024, India

    C. P. Nath, A. K. Parihar, Narendra Kumar, Anil K. Singh, G. P. Dixit & K. K. Hazra

  2. Indian Council of Agricultural Research, Krishi Bhawan, New Delhi, 110 001, India

    Sanjeev Gupta

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  1. C. P. Nath
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  2. A. K. Parihar
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  3. Narendra Kumar
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  4. Anil K. Singh
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  5. G. P. Dixit
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  6. K. K. Hazra
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  7. Sanjeev Gupta
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Correspondence to C. P. Nath, A. K. Parihar or Narendra Kumar.

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Nath, C.P., Parihar, A.K., Kumar, N. et al. Morphophysiology and Yield Variability of Fieldpea Genotypes in Rainfed Rice Fallows. Natl. Acad. Sci. Lett. 46, 81–85 (2023). https://doi.org/10.1007/s40009-023-01202-5

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  • DOI: https://doi.org/10.1007/s40009-023-01202-5

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